after a war with the race of giant aliens
called Zentradi, during which mankind
almost become extinct, the decision to colonize deep space has
been made. Huge fleets or small convois, all bring people far and farer
into the uncharted areas. What made all this possible is folding, a new way of inter-dimensional travel.
Now, together with the Zentradi mankind marches to colonize whole galaxy.
A huge floating colony was built, called Macross Frontier, which took a course to the center of Milky Way. On this journey they found a dangerous enemy. Enemy who seems to stop at nothing to destroy the frontier...